Job Description
We're partnering with a leading enterprise organisation seeking a Security Detection & Response Analyst (SDR II) to join a high-performing Monitoring & Triage team responsible for protecting critical technology environments from evolving cyber threats.
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This is an opportunity to work across the full detection and response lifecycle, combining investigation, incident response, detection engineering, automation, and continuous improvement initiatives. You'll play a key role in strengthening security operations while working with modern security technologies and experienced cyber professionals.
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About Us
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Our client operates a mature and forward-thinking cyber security function focused on protecting enterprise systems, data, and users across a complex technology landscape.
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With significant investment in cyber security capabilities, the organisation offers exposure to leading SIEM, EDR/XDR, SOAR, cloud security, and AI-enabled technologies. You'll join a collaborative team that values innovation, continuous improvement, and professional development while tackling complex and meaningful security challenges.
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Responsibilities
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As a Security Detection & Response Analyst, you will:
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Lead and manage security investigations across endpoint, identity, network, cloud, and application environments.
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Analyse logs, telemetry, and threat intelligence to identify, investigate, and respond to security incidents.
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Build, validate, tune, and optimise detection rules to improve security visibility and reduce false positives.
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Coordinate incident response activities including containment, remediation, escalation, and recovery support.
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Develop and enhance automation, orchestration, and SOAR workflows to improve operational efficiency.
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Work closely with cyber security stakeholders to strengthen monitoring coverage and detection effectiveness.
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Contribute to the ongoing improvement of investigation playbooks, runbooks, and response procedures.
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Identify gaps in security controls,



monitoring capabilities, and operational processes, driving continuous improvement initiatives.
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Support the integration of new use cases, technologies, and detection capabilities into the security operations environment.
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Mentor and provide guidance to junior analysts while promoting knowledge sharing across the team.
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Your Profile
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To be successful in this role, you'll bring:
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Demonstrated experience within Security Operations, Incident Response, Detection Engineering, or Cyber Security Operations environments.
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Strong experience conducting end-to-end security investigations with the ability to independently assess, prioritise, and respond to threats.
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Hands-on experience with SIEM, EDR/XDR, cloud security, and identity security technologies.
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Strong log analysis and investigative skills, including experience using KQL, SPL, SQL, or similar query languages.
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Experience developing or maintaining detection content, response workflows, automation, or SOAR capabilities.
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Knowledge of attacker tactics, techniques, and procedures (TTPs), including frameworks such as MITRE ATT&CK.;
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Excellent analytical and problem-solving abilities with a proactive approach to threat identification and response.
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Strong communication skills with the ability to provide clear updates to both technical and non-technical stakeholders.
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The ability to operate independently, make risk-based decisions, and perform effectively in fast-paced environments.
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Relevant industry certifications such as SC-200, Security+, GSEC, GCIA, CySA+, CISSP, or similar will be highly regarded.
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If you're looking for a role where you can expand your technical expertise, contribute to meaningful cyber security outcomes, and work with a team committed to innovation and continuous improvement, we'd love to hear from you.
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This is an excellent opportunity to further develop your career within a mature security operations setting while gaining exposure to advanced detection, response, automation, and cloud security initiatives.

📌 Security Detection & Response Ii (New South Wales)
🏢 Adecco
📍 New South Wales